action. it was the largest climate change rallyinu.s. history.that rally in the nation's capital was one of many protests held tonight including a large demonstration in san francisco. ken pritchett was there and tells us what is being demanded of president obama. >> organizers say about 5,000 people marched on market street they marked against fracking in california. but this rally is support of a much bigger event in washington, d.c. sponsored by the sierra group aim -lted at the president. >> if you're serious about curving emissions you need to say no to the houston pipeline. >> reporter: build this pine line out of canada and the angered environmentalists. >> we've seen positive indications from the administration but we've also seen you know some indication that we would continue to explore our natural places for fossil fuel exploitation. >> reporter: in his state of the union address. the president said that he would take executive action to curve climate change if necessary but was quiet about the pipeline. >> we're going to pull our dollars out of the companies. >> repor